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688 results for “ammonoid”
Fig. 30. A in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 30. A. Winchelloceras antiatlanteum sp. nov., MB.C.3977. B. Winchelloceras antiatlanteum sp. nov., holotype MB.C.3968. C. Winchelloceras antiatlanteum sp. nov., MB.C.3971. D. Progoniatites maghribensis sp. nov., holotype MB.C.3978. E. Progoniatites maghribensis sp. nov., MB.C.3981. F. Progoniatites maghribensis sp.nov.,MB.C.3982.All×3. Allspecimensfiguredinventral(A1),apertural(B1,C1,etc.),andlateral(A2,B2,etc.)views.
Fig. 27 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 27. Suture line of Bouhamedites enigmaticus gen. et sp. nov.; holotype MB.C.3987 at dm 8.9 mm, ww 5.6 mm, wh 4.9 mm; × 10.
Fig. 28 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 28. Whorl width/ conch diameter and umbilical width/ conch diameter ratios of Winchelloceras antiatlanteum sp. nov.
Fig. 25 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 25. Whorl width/ conch diameter and umbilical width/ conch diameter ratios of Pericyclus mercatorius sp. nov.
Fig. 22 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 22. Suture line of Ouaoufilalites ouaoufilalensis sp. nov.; MB.C.3955 at dm 14.0 mm, ww 9.7 mm, wh 4.6 mm; × 6.
Fig. 29 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 29. Suture line of Winchelloceras antiatlanteum sp. nov.; MB.C.3977 at dm 13.9 mm, ww 6.3 mm, wh 7.0 mm; × 6.
Fig. 24 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 24. Suture line of Helicocyclus fuscus sp. nov.; holotype MB.C.3985 at dm 6.8 mm, ww 3.3 mm, wh 2.1 mm; × 20.
Fig. 26 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 26. Suture line of Pericyclus mercatorius sp. nov.; holotype MB.C.3962 at dm 11.4 mm, ww 7.1 mm, wh 4.7 mm; × 10.
Fig. 21 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 21. Whorl width/ conch diameter and umbilical width/ conch diameter ratios of Ouaoufilalites ouaoufilalensis sp. nov.
Fig. 20 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 20. Suture line of Eurites bouhamedensis sp. nov.; holotype MB.C.3947 at dm 11.5 mm, ww 9.0 mm, wh 4.9 mm; × 8.
Fig. 19 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 19. Whorl width/ conch diameter and umbilical width/ conch diameter ratios of Eurites bouhamedensis sp. nov.
Fig. 18. A in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 18. A. Muensteroceras quadriconstrictum sp. nov., holotype MB.C.3922. B. Muensteroceras quadriconstrictum sp. nov., MB.C.3945. C. Muensteroceras quadriconstrictum sp. nov., MB.C.3946. D. Muensteroceras quadriconstrictum sp. nov., MB.C.3924. E. Muensteroceras quadriconstrictum sp. nov., MB.C.3934. F. Muensteroceras quadriconstrictum sp. nov., MB.C.3927. G. Muensteroceras quadriconstrictum sp. nov., MB.C.3928. H. Eurites bouhamedensis sp. nov.; holotype MB.C.3947. I. Eurites bouhamedensis sp. nov., MB.C.3952. All × 3. All specimens figured in ventral (A1), apertural (B1, C1, etc.), and lateral (A2, B2, etc.) views.
Fig. 17 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 17. Suture lines of Muensteroceras quadriconstrictum sp. nov. A. Holotype MB.C.3922 at dm 16.0 mm, ww 8.4 mm, wh 8.9 mm; × 5. B. MB.C.3923 at dm 12.6 mm, ww 7.1 mm, wh 6.7 mm; × 6.
Fig. 15 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 15. Suture lines of Irinoceras minutum sp. nov. A. Holotype MB.C.3916 at dm 14.4 mm, ww 9.6 mm, wh 9.0 mm; × 6. B. MB.C.3921 at dm 7.5 mm, ww 4.4 mm, wh 3.7 mm; × 10.
Fig. 11. A in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 11. A. Becanites africanus sp. nov., holotype MB.C.3901. B. Becanites africanus sp. nov., MB.C.3904. C. Becanites africanus sp. nov., MB.C.3906. D. Triimitoceras epiwocklumeriforme sp. nov., MB.C.3988. E. Triimitoceras epiwocklumeriforme sp. nov., holotype MB.C.3910. F. Triimitoceras epiwocklumeriforme sp. nov., MB.C.3914. G. Irinoceras minutum sp. nov. MB.C.3921. H. Irinoceras minutum sp. nov. holotype MB.C.3916. All × 3. All specimens figured in apertural (A1, B1, etc.; except for D1 in ventral) and lateral (A2, B2, etc.) views.
Fig. 10 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 10. Suture lines of Becanites africanus sp. nov. A. MB.C.3909 at ww 6.9 mm, wh 7.9 mm; × 5. B. MB.C.3905 at dm 4.8 mm, ww 1.8 mm, wh 1.55 mm; × 20.
Fig.3 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig.3.PalaeogeographicalmapfortheNorthAtlanticregionoftheTournaisianage(afterScotese1997;imagebyRonBlakey,Flagstaff,Arizona),showing ammonoid occurrences of late Tournaisian age. AR, Arkansas; MO, Missouri; IN, Indiana; MI, Michigan; SP, South Portugal; IR, Ireland; BE, Belgium; RM, Rhenish Massif and Harz Mountains; TH, Thuringia; HC, Holy Cross Mountains; SU, South Urals; NU, North Urals; PK, Pay Khoy; TS, Tian Shan; CM, Cantabrian Mountains; MN, Montagne Noire; AA, Anti−Atlas; SV, Saoura Valley; SA, South Algeria.
Fig. 14 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 14. Whorl width/ conch diameter and umbilical width/ conch diameter ratios of Irinoceras minutum sp. nov.
Fig. 9 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 9. Whorl width/ conch diameter and umbilical width/ conch diameter ratios of Becanites africanus sp. nov.
Fig. 13 in Palaeobiogeographic and evolutionary meaning of an early Late Tournaisian ammonoid fauna from the Tafilalt of Morocco
Fig. 13. Suture lines of Triimitoceras epiwocklumeriforme sp. nov. A. Holotype MB.C.3910 at dm 13.4 mm, ww 6.7 mm, wh 7.7 mm; × 6. B. Paratype MB.C.3914 at dm 7.0 mm, ww 4.2 mm; × 12.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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